technicians working in server room
Insights
false
/content/dam/bt-business/images/insights/case-studies/engineers-server-room-laptop-20585.jpg
How to reduce your attack surface with network segmentation
https://images.business.bt.com/is/image/btent/engineers-server-room-laptop-20585
  • For global & business
  • For the home
  • English
    English
    Français
    Deutsch
    Español
    Italiano
    Türkiye
    中国
    日本
Home
  • Products & services
    • Small & medium business
      0-249 employees
      • ConnectivityBroadband & data
          • Broadband
            Supercharge your business with high-speed, ultra-reliable UK broadband
            • Broadband deals
            • Full Fibre broadband
            • View all Broadband
          • Dedicated internet access
            Choose a BTnet leased line for bandwidth dedicated to your business
            • UK business internet
            • View all Dedicated internet access
          • Internet of Things (IoT)
            Connect your digital and physical worlds to gain powerful business insights
            • IoT connectivity
            • IoT solutions
            • Crowd & location intelligence
            • View all Internet of Things (IoT)
        Connectivity for SMEs
      • Digital workplaceVoice & collaboration
          • Cloud collaboration tools
            Help your people collaborate effectively, wherever they're located
            • Cloud Voice
            • Cloud Work
            • Microsoft Teams
            • View all Cloud collaboration tools
        Digital workplace for SMEs
      • Mobile solutions4G, 5G, SIMs & devices
          • Mobile devices
            Discover the latest mobile devices from Android, Apple and Samsung
            • Mobile devices for SMEs
            • View all Mobile devices
          • BT Tap to Pay
            Accept in-person payments with BT Tap to Pay
            • BT Tap to Pay on iPhone
            • BT Tap to Pay on Android
            • View all BT Tap to Pay
          • Business plans
            Choose from SIM-only and mobile plans – powered by EE, the UK's best network
            • SIM-only
            • Mobile plans
            • View all Business plans
        Mobile solutions for SMEs
      • SecurityCyber & physical
          • Managed security controls
            Get peace of mind knowing our security experts are protecting your business
            • Firewall security
            • DDoS security
            • View all Managed security controls
          • Mobile security
            Keep your mobile devices and data protected from threats
            • Mobile security
            • View all Mobile security
          • Cyber security
            Discover security solutions designed with growing businesses in mind
            • Cyber security for small businesses
            • View all Cyber security
        Security for SMEs
      • Overlay networks & cloudManaged services & storage
          • SD WAN
            Create a flexible network that grows with your business – and keeps it protected
            • SD WAN
            • View all SD WAN
          • Digital services
            Boost your digital transformation with expert knowledge and strategy
            • Managed services
            • Professional services
            • View all Digital services
        Overlay networks & cloud for SMEs
      See all products
    • Corporate & multinational
      250+ employees
      • ConnectivityBroadband & data
          • Broadband
            Supercharge your business with high-speed, ultra-reliable UK broadband
            • Full Fibre broadband
            • Multi-site broadband
            • View all Broadband
          • Dedicated internet access
            Choose a leased line for bandwidth dedicated to your business
            • UK business internet
            • Global business internet
            • View all Dedicated internet access
          • Ethernet
            Customise our flexible bandwidth and resilience options to suit your needs
            • Ethernet
            • View all Ethernet
          • Global fabric NaaS
            Take a revolutionary leap in connecting your hybrid and multi-cloud environments
            • Multi-product platform
            • View all Global fabric NaaS
          • IP VPN
            Securely connect your sites locally, nationally, and globally
            • Global MPLS
            • UK MPLS
            • View all IP VPN
          • Internet of Things (IoT)
            Explore a business world where everything is connected
            • IoT connectivity
            • IoT solutions
            • Active Intelligence
            • View all Internet of Things (IoT)
          • Optical fibre
            Unlock fast, reliable global internet with high-speed point-to-point bandwidth
            • Optical fibre
            • View all Optical fibre
        Connectivity for corporations
      • Digital workplaceVoice & collaboration
          • Cloud collaboration tools
            Break down collaboration barriers and communicate across borders
            • Cloud Work
            • MiCloud
            • Microsoft Teams
            • One Cloud Cisco
            • Webex
            • Zoom
            • View all Cloud collaboration tools
          • Inbound voice & SIP
            Combine features of a traditional phone system with the flexibility of the cloud
            • BT One Phone
            • Global inbound voice network
            • SIP
            • View all Inbound voice & SIP
          • Customer contact
            Improve comms for customers and reduce business costs, locally and globally
            • Five9
            • Anywhere 365
            • Smart Messaging
            • Genesys Cloud Contact Centre
            • Fraud, security and compliance
            • Webex Contact Centre
            • Contact centre optimisation
            • Nuance Gatekeeper
            • View all Customer contact
          • Office spaces
            Help your team collaborate seamlessly, whether they're in the office or offsite
            • Meeting rooms and devices
            • CPE resale
            • View all Office spaces
        Digital workplace for corporations
      • Mobile solutions4G, 5G, SIMs & devices
          • Mobile devices
            Update your team's mobile devices with new Android, Apple and Samsung models
            • Android for corporate
            • Samsung for corporate
            • Apple for corporate
            • View all Mobile devices
          • 5G private networks
            Reliable, resilient connectivity with a network that's just for your business
            • 5G private networks
            • View all 5G private networks
          • Business plans
            Choose from SIM-only and mobile plans – powered by EE, the UK's best network
            • Mobile plans
            • View all Business plans
        Mobile solutions for corporations
      • SecurityCyber & physical
          • Managed security controls
            Get peace of mind knowing our security experts are protecting your business
            • Cloud security
            • Firewall security
            • DDoS security
            • Privileged Access Management (PAM)
            • View all Managed security controls
          • Threat management
            Secure your business with advanced threat detection, prevention and response
            • SIEM
            • EDR & XDR security
            • Threat intelligence
            • Operational technology
            • View all Threat management
          • Security consulting
            Rely on our expert security advice to assess, build and test your defences
            • Security consulting
            • View all Security consulting
          • Mobile security
            Keep your mobile devices and data protected from threats
            • Mobile security
            • View all Mobile security
          • Surveillance
            Secure your people and places with real-time surveillance, CCTV and analysis
            • Surveillance networks
            • Control rooms
            • Cameras
            • Smart Places
            • Surveillance maintenance
            • View all Surveillance
          • Drone solutions
            Take advantage of our world-leading expertise in drone-powered solutions
            • Project Skyway
            • Drone Shield
            • Drone detection packages
            • Counter drone solutions
            • View all Drone solutions
        Security for corporations
      • Overlay networks & cloudManaged services & storage
          • SD WAN & SASE
            Create an agile, secure network that’s tailored to your organisation’s needs
            • SD WAN
            • SASE
            • View all SD WAN & SASE
          • Cloud edge
            Reduce complexity with joined-up infrastructure across your cloud network
            • Connected Cloud Edge
            • Cloud Connect Direct
            • Connected Cloud Colocation
            • Edge Compute
            • View all Cloud edge
          • Cloud solutions
            Cloud infrastructure and management to suit your organisation's evolving needs
            • Managed cloud services
            • Private Cloud
            • Data centre colocation
            • View all Cloud solutions
          • Digital services
            Drive your digital transformation with expert knowledge, design and deployment
            • Professional services
            • Managed services
            • Radianz for finance
            • View all Digital services
          • LAN
            Build a robust local area network that's safe and secure across all sites
            • Campus
            • Branch
            • View all LAN
          • Sustainability
            Accelerate your net zero journey with solutions to track and reduce emissions
            • Carbon Network Dashboard
            • Sustainable Network Refresh
            • Digital Carbon Calculator
            • View all Sustainability
        Overlay networks & cloud for corporations
      See all products
    • All products
      Products, services & solutions
      • ConnectivityBroadband & data
          • Broadband
            Supercharge your business with high-speed, ultra-reliable UK broadband
            • Broadband deals
            • Full Fibre broadband
            • Multi-site broadband
            • View all Broadband
          • Dedicated internet access
            Choose a leased line for bandwidth dedicated to your business
            • UK business internet
            • Global business internet
            • View all Dedicated internet access
          • Ethernet
            Customise our flexible bandwidth and resilience options to suit your needs
            • Ethernet
            • View all Ethernet
          • Global Fabric NaaS
            Take a revolutionary leap in connecting your hybrid and multi-cloud environments
            • Multi-product platform
            • View all Global Fabric NaaS
          • IP VPN
            Securely connect your sites locally, nationally, and globally
            • Global MPLS
            • UK MPLS
            • View all IP VPN
          • Internet of Things (IoT)
            Connect your digital and physical worlds in both private and public sectors
            • IoT connectivity
            • IoT solutions
            • Active Intelligence
            • View all Internet of Things (IoT)
          • Optical fibre
            Unlock fast, reliable global internet with high-speed point-to-point bandwidth
            • Optical fibre
            • View all Optical fibre
        All connectivity products
      • Digital workplaceVoice & collaboration
          • Cloud collaboration tools
            Break down collaboration barriers and communicate across borders
            • Cloud Voice
            • Cloud Work
            • MiCloud
            • Microsoft Teams
            • One Cloud Cisco
            • Webex
            • Zoom
            • View all Cloud collaboration tools
          • Inbound voice & SIP
            Combine features of a traditional phone system with the flexibility of the cloud
            • BT One Phone
            • Global inbound voice network
            • SIP
            • View all Inbound voice & SIP
          • Customer contact
            Improve communication for customers and reduce your business costs
            • Five9
            • Anywhere 365
            • Smart Messaging
            • Genesys Cloud Contact Centre
            • Fraud, security and compliance
            • Webex Contact Centre
            • Contact centre optimisation
            • Nuance Gatekeeper
            • View all Customer contact
          • Office spaces
            Help your team collaborate seamlessly, whether they're in the office or offsite
            • Meeting rooms and devices
            • CPE resale
            • View all Office spaces
        All digital workplace products
      • Mobile solutions4G, 5G, SIMs & devices
          • Mobile devices
            Upgrade your mobile fleet with options for every business size, powered by EE
            • Mobile devices for SMEs
            • Android for corporate
            • Samsung for corporate
            • Apple for corporate
            • View all Mobile devices
          • Business plans
            Mobile plans to suit your needs, all powered by EE – the UK's best network.
            • SIM-only
            • Mobile plans
            • View all Business plans
          • 5G private networks
            Reliable, resilient connectivity with a network that's just for your business
            • 5G private networks
            • View all 5G private networks
          • BT Tap to Pay
            Accept in-person payments with BT Tap to Pay
            • BT Tap to Pay on iPhone
            • BT Tap to Pay on Android
            • View all BT Tap to Pay
        All mobile solutions
      • SecurityCyber & physical
          • Managed security controls
            Get peace of mind knowing our security experts are protecting your business
            • Cloud security
            • Firewall security
            • DDoS security
            • Privileged Access Management (PAM)
            • View all Managed security controls
          • Threat management
            Secure your business with advanced threat detection, prevention and response
            • SIEM
            • EDR & XDR security
            • Threat intelligence
            • Operational technology
            • View all Threat management
          • Security consulting
            Rely on our expert security advice to assess, build and test your defences
            • Cyber security for small businesses
            • Security consulting
            • View all Security consulting
          • Mobile security
            Keep your mobile devices and data protected from threats
            • Mobile security
            • View all Mobile security
          • Surveillance
            Secure your people and places with real-time surveillance, CCTV and analysis
            • Surveillance networks
            • Control rooms
            • Cameras
            • Smart Places
            • Surveillance maintenance
            • View all Surveillance
          • Drone solutions
            Take advantage of our world-leading expertise in drone-powered solutions
            • Project Skyway
            • Drone Shield
            • Drone detection packages
            • Counter drone solutions
            • View all Drone solutions
        All security products
      • Overlay networks & cloudManaged services & storage
          • SD WAN & SASE
            Create an agile wide area network – and ensure it's safe from threats
            • SD WAN
            • SASE
            • View all SD WAN & SASE
          • Cloud edge
            Reduce complexity with joined-up infrastructure across your cloud network
            • Connected Cloud Edge
            • Cloud Connect Direct
            • Connected Cloud Colocation
            • Edge Compute
            • View all Cloud edge
          • Cloud solutions
            Customise your cloud with infrastructure, hosting and managed services
            • Managed cloud services
            • Private Cloud
            • Data centre colocation
            • View all Cloud solutions
          • Digital services
            Discover expert advice and strategy for every stage of digital transformation
            • Professional services
            • Managed services
            • Radianz for finance
            • View all Digital services
          • LAN
            Build a network that delivers a secure, consistent experience across all sites
            • Campus
            • Branch
            • View all LAN
          • Sustainability
            Achieve your net zero goals with sustainable solutions tailored to your needs
            • Carbon Network Dashboard
            • Sustainable Network Refresh
            • Digital Carbon Calculator
            • View all Sustainability
        All overlay networks & cloud products
      See all products
        • Organisations
          Find solutions tailored to your needs
          • Local government
          • Central government
          • Healthcare
          • Education
          • Police
          • Defence
          • Ports & borders
          • Prisons
          • Housing
          • Transport surveillance
          • Small organisations
          • View all Organisations
        • Framework agreements
          Speed up your procurement process
          • G-Cloud 13
          • Mobile Voice & Data
          • Network Services 3
          • Patient/Citizen Comms
          • Technology Enabled Care 2
          • Technology Services 3
          • Transport Technology
          • View all Framework agreements
        • DPS agreements
          Get more procurement flexibility
          • Automation Marketplace
          • Cyber Security Services 3
          • Digital Outcomes 6
          • Gigabit Capable Connectivity